Baseplates Compatible With Lego Base Brick Building Small 5&rdquo;X5&rdquo; Base Plates (4 pack cream white) Tight fit Lego compatile 4 packs 5 x 5 inch (16 X16 studs) creamy white baseplates ,ABS material 100% Compatible with Lego and all major brick sets,Not for DUPLO sized blocks Keeps your creations together ,easy to carry and tight fit.Great for group building. Recommended for age 3 and up. The plates are not affiliated with or endorsed in any way by Lego, a registered trademark of Lego Systems